#15BAFE
Closest named color: Deep Sky Blue (#00BFFF). oklch(74.4% 0.154 234.5), rgb(21, 186, 254).
Aa
Black text reads best on this color (9.48:1).
About this color
#15BAFE is a medium-light, vivid blue. In OKLCH its lightness is 74%, its chroma 0.154 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.013 away. Black text reads best on it, at 9.48:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.48:1 |
| White text | 2.21:1 |
Values
| HEX | #15BAFE |
| RGB | rgb(21, 186, 254) |
| HSL | hsl(198, 99%, 54%) |
| OKLCH | oklch(74.4% 0.154 234.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #15BAFE | 2.21:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #15BAFE | 9.48:1 | AAA | Lc 61.0 | Content text, not long reading |
| #15BAFE text on white | 2.21:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #15BAFE text on black | 9.48:1 | AAA | Lc -59.2 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#D9EDFA
oklch(93.5% 0.028 236.2)
-
Step 200
200
#B8E0F8
oklch(88.6% 0.053 234.5)
-
Step 300
300
#80CBF6
oklch(80.9% 0.096 234.9)
-
Step 400
400 (this color)
#15BAFE
oklch(74.4% 0.154 234.5)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004765
oklch(37.6% 0.08 234.9)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#15BAFE with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #98B9FF | 0.092 |
| Deuteranopia (no green cones) | #7BA6FD | 0.076 |
| Tritanopia (no blue cones) | #00CCD1 | 0.094 |
| Achromatopsia (no color) | #AEAEAE | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15BAFE
#15BAFE
oklch(74.4% 0.154 234.5)
- #F58E41
#F58E41
oklch(74.4% 0.154 54.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15BAFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.013
- Bright Sky Blue #02CCFE ΔE 0.050
- Vivid Sky Blue #4CC9F0 ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.076
- Lightblue #7BC8F6 ΔE 0.077
- Sky #82CAFC ΔE 0.085
- Turquoise Blue #06B1C4 ΔE 0.085
- Chefchaouen Blue #4895EF ΔE 0.096
Use #15BAFE in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.